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Stephen J. Lurie and Margaret A. Winker

The word number may be abbreviated No. in the body of tables and line art or in the text when used as a specific designator. Do not use the number sign (#) in place of the abbreviation. The word number ... More

The word number may be abbreviated No. in the body of tables and line art or in the text when used as a specific designator. Do not use the number sign (#) in place of the abbreviation. The word number should always be spelled out when it is used as a proper noun (eg, “Social Security number”). When referring to numbers of individuals in a study in tables, figures, and within parentheses the abbreviation N is used when referring to the entire sample; n refers to a subsample. (See also , Study Design and Statistics, Glossary of Statistical Terms.)Patients were ...Less